* {
  padding: 0px;
  margin: 0px;
}
.box {
  width: 1070px;
  height: 622px;
  box-shadow: 0px 0px 25px #ccc;
  margin: 40px auto;
  overflow: hidden;
  background-color: #fff;
  position: relative;
}
.box .img_box {
  transition: all 0.5s linear;
  width: 853px;
  transform: translateY(0px);
}
.box .img_box .img {
  width: 823px;
  height: 592px;
  padding: 15px;
}
.box .img_box .img img {
  width: 100%;
  height: 100%;
}
.box .option_box {
  width: 217px;
  height: 100%;
  position: absolute;
  top: 0px;
  right: 0px;
}
.box .option_box .option_img {
  width: 100%;
  height: 100%;
  position: relative;
}
.box .option_box .option_img .option {
  width: 162px;
  height: 94px;
  padding: 0px 15px;
  padding-top: 16px;
  padding-bottom: 14px;
  opacity: 0.3;
}
.box .option_box .option_img .option img {
  width: 100%;
  height: 100%;
}
.box .option_box .option_img .option.active {
  opacity: 1;
}
.box .option_box .option_img .arrows {
  position: absolute;
  width: 100%;
  height: 20%;
  top: 0px;
  left: 0px;
  transform: translateY(0px);
  transition: all 0.5s linear;
}
.box .option_box .option_img .arrows .kuang {
  position: relative;
  width: 162px;
  height: 94px;
  margin-left: 11px;
  margin-top: 12px;
  margin-bottom: 14px;
  border: 4px solid #af5000;
}
.box .option_box .option_img .arrows .kuang span {
  position: absolute;
  display: block;
  top: 40%;
  left: -24px;
  border-right: 10px solid #af5000;
  border-top: 10px solid #af4f0000;
  border-left: 10px solid #af4f0000;
  border-bottom: 10px solid #af4f0000;
}
